CN109194526A - The more ownership of group realize the failover method of cluster multi call - Google Patents
The more ownership of group realize the failover method of cluster multi call Download PDFInfo
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- CN109194526A CN109194526A CN201811215347.2A CN201811215347A CN109194526A CN 109194526 A CN109194526 A CN 109194526A CN 201811215347 A CN201811215347 A CN 201811215347A CN 109194526 A CN109194526 A CN 109194526A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The present invention relates to the failover methods that ownership more than a kind of group realizes cluster multi call.It is characterized by: the group design methods belonged to are as follows: When building their networks is that some group specifies multiple ownership to exchange, and the static information and multidate information of group save in multiple ownership switching centres more；When having group-calling service arrival, selects a switching centre as group control exchange from multiple ownership switching centres, be responsible for the distribution and right of speech management of group-calling service；When some switching centre breaks down, other ownership switching centres for belonging to the group of the exchange can manage the business organized for this.The present invention using the group thoughts belonged to more so that the sound state synchronizing information of phone group saves multiple nodes in a network, when some node breaks down, other nodes can adapter tube business immediately, efficiently solve Single Point of Faliure, improve the reliability of group-calling service.
Description
Technical field
The present invention relates to the failover methods that ownership more than a kind of group realizes cluster multi call.
Background technique
With the development of group service, to exchange networkings more and more used in the existing net more.In mostly exchange networking, certain
Can a switching centre's failure, other switching centres take over the business of the switching centre, completely take over the business of failure exchange
Need to consider many problems, such as: the adapter tube of base station, the adapter tube of home subscriber, the adapter tube of call business.It is in view of group-calling service
The core business of cluster communication, the failover for cluster multi call business provides a solution herein.
Summary of the invention
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide ownership more than a kind of group to realize cluster multi call
Failover method technical solution.
The group belongs to the failover method for realizing cluster multi call more, it is characterised in that: the group design sides belonged to more
Method are as follows: When building their networks is that some group specifies multiple ownership to exchange, and the static information and multidate information of group are in the exchange of multiple ownership
It saves in the heart；When having group-calling service arrival, selects a switching centre as group control exchange from multiple ownership switching centres, bear
Blame the distribution and right of speech management of group-calling service；When some switching centre breaks down, belong to other ownership of the group of the exchange
Switching centre can manage the business for this group.
The group belongs to the failover method for realizing cluster multi call more, it is characterised in that the implementation belonged to described group more
It comprises the following processes:
1) group static information is issued to multiple exchanges；
2) visit exchanges to the routing Design of ownership exchange；
3) group multidate information is synchronous；
4) paging that group is exhaled；
5) conflict and the entrance that lags.
The group belongs to the failover method for realizing cluster multi call more, it is characterised in that described group of static information issues
Method to multiple exchanges is as follows:
It is needed support on network management and configures multiple ownership switching centres for phone group, when the configuration information of phone group changes, i.e.,
Increase, delete, modification, network management needs to push multiple ownership switching centres of the group, this push process needs are reliably, such as
There is information drop-out in fruit, and network management needs to mark the switching centre there are data inconsistent, and provides means and subsequent can touch again
Send out push process；Each switching centre also proper and initiative can obtain whole static informations to network management, further ensure that phone group
Static information is consistent between network management and exchange, is consistent between the exchange of each ownership.
The group belongs to the failover method for realizing cluster multi call more, it is characterised in that the visit exchanges to ownership
The route designing method of exchange is as follows:
Switching centre is initiated to receive group attachment or when group is called for asking, judge whether phone group belongs to current exchange, if do not belonged to,
Illustrate oneself to be visit exchange role, needs to route requests to some ownership exchange；A destination Mobile Station International ISDN Number routing table is designed, is visitd
It visits exchange and next-hop is looked for according to the number inquiry destination Mobile Station International ISDN Number routing table of phone group, next-hop specifies specific link；It is each
Switching centre is located in the same multicast domain, sends hello packet by the period, finds neighbours, and establish point between any two
To a link；The same group number can be matched to a unique record by maximum match principle in destination Mobile Station International ISDN Number routing table,
The record indicates the link for reaching next-hop.
The group belongs to the failover method for realizing cluster multi call more, it is characterised in that the link is divided into primary chain
Road and reserve link, active link preferentially use, only when active link failure, just use reserve link, active link and
Reserve link can respectively match both links, this both links all can with when use in turn.
The group belongs to the failover method for realizing cluster multi call more, it is characterised in that described group of multidate information is synchronous
Method is as follows:
The multidate information of phone group is primarily referred to as currently having which hand platform has been attached to this group and which these hand platforms are distributed in
Which base station of a little switching centres, the multidate information of phone group changes with the group attachment/detachment process for setting about platform, each
Apparently, other these switching centres constitute the visit exchange list of phone group, the visit of phone group for a group of ownership switching centre
Switching centre's list is the important component of phone group's multidate information, and the visit switching centre list of phone group is changed for being crossed over
The paging of group-calling service, the visit switching centre list that each group of ownership switching centre perceives oneself maintenance need when changing
Other are notified to belong to switching centre.
The group belongs to the failover method for realizing cluster multi call more, it is characterised in that the described group of paging method exhaled
It is as follows:
After the selected control exchange of routing policy, i.e. some group ownership exchange, the paging exhaled by control exchange initiation group；Group is exhaled
Paging be divided into two-stage, the first order is that the network paging for participating in exchange is exchanged to from control, and the second level is from exchanging to base station
It eats dishes without rice or wine to page.
The group belongs to the failover method for realizing cluster multi call more, it is characterised in that the conflict and the entrance that lags
Method is as follows:
Two hand platforms never initiate calling with ownership exchange simultaneously
Such case can trigger " contention control exchange ", it may appear that two control exchanges need to compare MSC-ID at this time, big works as
Make control exchange, if local MSC-ID is big, ignore this message, that is, continues to exchange as control, if local MSC-ID is small, recognize
It is exchanged for other side as control, itself switches to P role；
Lag entrance: how later participation exchanges by the entrance that lags
Group is exhaled when establishing, some is exchanged, and no hand platform is attached to group or the exchange at that time is not online, has hand platform to be attached to later
Group；In group attachment flow, the update of VMSC list can be synchronous in the whole network, and the current group of control exchange energy exhaled perceive VMSC immediately
The variation of list, lag next time enter when, this VMSC can be drawn in and be exhaled into group, can also initiate immediately at this moment it is primary late
After enter；
Lag entrance: after the ownership got up how exchange by the entrance that lags
Group is exhaled when establishing, some ownership exchanges not online but current C and possesses complete GHMSC list, so in the entrance that lags
When operation, the ownership got up after giving exchange hair group exhales paging, after the ownership exchange got up as the role's entrance for participating in exchanging
Group is exhaled.
Existing single group of ownership exchange will form Single Point of Faliure in mostly exchange group system.
The present invention using the group thoughts belonged to more, so that the sound state synchronizing information of phone group saves multiple sections in a network
Point, when some node breaks down, other nodes can adapter tube business immediately, efficiently solve Single Point of Faliure, improve group
Exhale the reliability of business.
Detailed description of the invention
Relation schematic diagram of the Fig. 1 between each role of switching centre；
Fig. 2 is the paging schematic diagram that group is exhaled.
Specific embodiment
The invention is further explained in the following combination with the attached drawings of the specification:
In more exchange networkings, the signing information of phone group is only saved in a switching centre, i.e. " the group ownership friendship of the group
Change ", the information of the group is not saved in other switching centres.When thering is user to need to adhere to this group under other switching centres, need
A group attach request is dealt into group an ownership switching centre, the coverage area of group ownership switching centre's Dynamic Maintenance group, this its
His switching centre is referred to as " group visit exchange ".When there is user to initiate to exhale for the group of the group, the exchange where the user claims
For " group initiate exchange ", " group initiates exchange " is not necessarily a group ownership exchange, and the group information, call request do not need first to send
To a group ownership switching centre, then by group ownership switching centre according to the group coverage area of self maintained, group is called for asking it is sent to
Each group of visit exchange, group visit exchange, which receives group, to be called for sending out group after asking again and calls for seeking home base stations, and paging is attached to the group
User.Request/release/notice of right of speech is also to be uniformly controlled by group ownership exchange in group-calling process, so exhaling in group
In business procedure, group ownership exchange plays the role of being uniformly controlled, referred to as " group control exchange ", other switching centres are known as
" group participates in exchange ".
If exhaling principle to can be seen that group ownership switching centre from above-mentioned more exchange groups to break down, be directed to the group
Group-calling service will be unavailable, hand platform cannot achieve a group attach request, and group, which is called for asking, can not also be distributed to each visit exchange.Needle
To this problem, set forth herein a solutions: the more ownership of group.
The group mentalities of designing belonged to are more: When building their networks can specify multiple ownership to exchange for some group, the static letter of group
Breath and multidate information save in multiple ownership switching centres；When having group-calling service arrival, selected from multiple ownership switching centres
One switching centre is responsible for the distribution and right of speech management of group-calling service as group control exchange；In this way when some switching centre goes out
When existing failure, other ownership switching centres for belonging to the group of the exchange can manage the business organized for this；That is, only
The multiple ownership switching centres to be organized are not to break down simultaneously, then the business of this group will not be impacted, here it is group is more
The principle of ownership, as shown in Figure 1.
Relationship between the various roles of switching centre, as shown in the table:
The group specific implementation process belonged to as follows more:
1) group static information is issued to multiple exchanges；
2) visit exchanges to the routing Design of ownership exchange；
3) group multidate information is synchronous；
4) paging that group is exhaled；
5) conflict and the entrance that lags.
Group static information is issued to multiple exchanges:
It is needed support on network management and configures multiple ownership switching centres for phone group, (increased when the configuration information of phone group changes
Add, deletes, modification), network management needs to push multiple ownership switching centres of the group.This push process needs are reliably, such as
There is information drop-out in fruit, and network management needs to mark the switching centre there are data inconsistent, and provides means and subsequent can touch again
Send out push process.Each switching centre (such as when daily zero point portfolio is smaller) actively can also arrive network management acquisition entirely in due course
Portion's static information further ensures that the static information of phone group is consistent between network management and exchange, exchanges in each ownership
Between be consistent.It can provide verification mechanism on network management, verify whether consistent between static data and network management in switching centre.
Visit exchanges to the routing Design of ownership exchange:
Switching centre is initiated to receive group attachment or when group is called for asking, judge whether phone group belongs to current exchange, if do not belonged to,
Illustrate oneself to be visit exchange role, needs to route requests to some ownership exchange.One " destination Mobile Station International ISDN Number routing table " is designed,
Visit exchange looks for next-hop according to " number of phone group " inquiry " destination Mobile Station International ISDN Number routing table ", and next-hop specifies specific chain
Road.Each switching centre is located in the same multicast domain, by the period send hello packet, find neighbours, and establish two-by-two it
Between point-to-point link.
The design of " destination Mobile Station International ISDN Number routing table " is as follows:
The same group number can be matched to a unique record, the note by maximum match principle in " destination Mobile Station International ISDN Number routing table "
Record indicates the link for reaching next-hop.Link is divided into active link and reserve link, and active link preferentially uses, and only works as master
When with link failure, reserve link is just used.Active link and reserve link can respectively match 2 links, this 2 links all may be used
Used time uses in turn.The failover of " exchange of group ownership " may be implemented in such routing Design, while load point may be implemented
Load, very simple and flexible.
By taking MSC1 in Fig. 1 as an example, by hello packet, MSC1 establishes neighbours pass it can be found that MSC2/MSC3/MSC4
System and point-to-point link, wherein MSC2 and MSC3 is a group ownership exchange.If group number is: 9018xxxx and 9019xxxx, it can be with
Following routing data are configured on MSC1:
When MSC2 and MSC3 are operated normally, MSC1 is routed to MSC2 for the group number of 9018xxxx range section, for
The group number of 9019xxxx range section is routed to MSC3.If MSC2 breaks down, the link failure of MSC2 is directed toward in MSC1 discovery,
MSC1 enables reserve link for the group number of 9018xxxx range section, is routed to MSC3.Group multidate information is synchronous:
The multidate information of phone group is primarily referred to as currently having which hand platform has been attached to this group and which these hand platforms are distributed in
Which base station of a little switching centres.The multidate information of phone group changes with the group attachment/detachment process for setting about platform.Each
Apparently, other these switching centres constitute the visit exchange list of phone group for a group of ownership switching centre.The visit of phone group
Switching centre's list is the important component of phone group's multidate information.The visit switching centre list of phone group is changed for being crossed over
The paging of group-calling service.The visit switching centre list that each group of ownership switching centre perceives oneself maintenance needs when changing
Other are notified to belong to switching centre.
Than if any 4 hand platforms (hand platform 1, hand platform 2, hand platform 3, hand platform 4) be registered in respectively 4 switching centres (MSC1,
MSC2, MSC3, MSC4) under, and all with group G has been arrived, the ownership exchange for organizing G is MSC2 and MSC3.In MSC2, group is covered
Lid range is: MSC1, MSC2, MSC3, MSC1, which do not know under MSC4, has hand platform to be attached to group.Similarly MSC3 does not know under MSC1 and has
Hand platform is attached to group.
Synchronous opportunity:
1) it when itself VMSC list changes, initiates to synchronize to other HMSC；
2) it when perceiving some HMSC and restarting successfully, initiates to synchronize to the HMSC；
3) each HMSC of (optional) the period transmission VMSC list to group.
The paging that group is exhaled:
There is front static information to issue, multidate information is synchronous and routing policy design, the groups belonged under scene exhale foundation more
It is just easily achieved with control.After the selected control exchange of routing policy (some group ownership exchange), by control exchange hair
Play the paging that group is exhaled.The paging that group is exhaled is divided into two-stage, and the first order is that the network paging for participating in exchange is exchanged to from control, the second level
It is to eat dishes without rice or wine to page from exchanging to base station, only needs to analyze first order paging here, second level paging does not change.More ownership fields
Group under scape exhales the paging to be with common exchange in place of the main difference that group is exhaled more: control exchange, which needs other ownership to exchange, also to be made
To participate in exchange.Specific paging is as shown in Figure 2.
Step0: static information has been configured (MSC2 and MSC3 are a group ownership exchanges), and multidate information is synchronized, i.e.,
VMSC list: MSC1+MSC4 has been obtained on MSC2 and MSC3.Routing policy has been configured, i.e., on MSC, active link refers to
To MSC2, reserve link is directed toward MSC3.
Step1:MSC1 receives group of base stations and calls for asking, and is analyzed by sets of numbers, determines oneself to be visit exchange.Pass through " mesh
Number route analysis " select MSC2 as control exchange, hair initial group call for seeking MSC2.
Step2:MSC2 as control exchange, with initiate exchange between complete three-way handshake, indicate to establish group on MSC1
It exhales.
After Step3:MSC2 ensures on MSC1 that group is exhaled and is successfully established, start to page to all VMSC (including MSC3 and
MSC4).
Conflict and the entrance that lags:
Two hand platforms never initiate calling with ownership exchange simultaneously
Such case can trigger " contention control exchange ", it may appear that two control exchanges.It needs to compare MSC-ID at this time, big works as
Make control exchange.If local MSC-ID is big, ignore this message, that is, continues to exchange as control.If local MSC-ID is small, recognize
It is exchanged for other side as control, itself switches to P role.
Lag entrance: how later participation exchanges by the entrance that lags
Group is exhaled when establishing, some exchanges no hand platform and is attached to group (or the exchange was not online at that time), there is the attachment of hand platform later
To group.In group attachment flow, the update of VMSC list can be synchronous in the whole network, and the current group of control exchange energy exhaled perceive immediately
The variation of VMSC list, lag next time enter when, this VMSC can be drawn in and be exhaled into group, one can also be initiated immediately at this moment
The secondary entrance that lags.
Lag entrance: after the ownership got up how exchange by the entrance that lags
Group is exhaled when establishing, some ownership exchanges not online but current C and possesses complete GHMSC list, so in the entrance that lags
When operation, the ownership got up after giving exchange hair group exhales paging, after the ownership exchange got up as the role's entrance for participating in exchanging
Group exhales (even if its MSC-ID is that the whole network is maximum).
Term and abbreviation:
Term is explained:
Group ownership exchange: the switching centre of group information, including static signing information and multidate information are saved
Group visit exchange: it is not a group ownership exchange, but there is user to adhere to the group under the exchange
Group control exchange: during group-calling service, it is responsible for the switching centre of Call- Control1
Group participates in exchange: during group-calling service, not needing the switching centre for being responsible for Call- Control1
Group initiates exchange: the switching centre where group call initiator
Abbreviation:
MSC: mobile switching centre, abbreviation switching centre
HMSC: ownership switching centre
VMSC: visit switching centre
OMSC: switching centre, abbreviation O are initiated
OCMSC: being both to initiate switching centre and control switching point (CSP), abbreviation OC
CMSC: control switching point (CSP), abbreviation C
PMSC: switching centre, abbreviation P are participated in
MSC-ID: switching centre indicates (Identification)
Claims (8)
1. ownership realizes the failover method of cluster multi call more than group, it is characterised in that: the group design methods belonged to are as follows: building more
Multiple ownership are specified to exchange for some group when net, the static information and multidate information of group save in multiple ownership switching centres；
When having group-calling service arrival, select a switching centre as group control exchange from multiple ownership switching centres, responsible group is exhaled industry
The distribution and right of speech management of business；When some switching centre breaks down, belong to other ownership switching centres of the group of the exchange
The business for this group can be managed.
2. ownership realizes the failover method of cluster multi call more than according to claim 1 group, it is characterised in that described group
The implementation more belonged to comprises the following processes:
1) group static information is issued to multiple exchanges；
2) visit exchanges to the routing Design of ownership exchange；
3) group multidate information is synchronous；
4) paging that group is exhaled；
5) conflict and the entrance that lags.
3. ownership realizes the failover method of cluster multi call more than according to claim 2 group, it is characterised in that described group
The method that static information is issued to multiple exchanges is as follows:
It is needed support on network management and configures multiple ownership switching centres for phone group, when the configuration information of phone group changes, i.e.,
Increase, delete, modification, network management needs to push multiple ownership switching centres of the group, this push process needs are reliably, such as
There is information drop-out in fruit, and network management needs to mark the switching centre there are data inconsistent, and provides means and subsequent can touch again
Send out push process；Each switching centre also proper and initiative can obtain whole static informations to network management, further ensure that phone group
Static information is consistent between network management and exchange, is consistent between the exchange of each ownership.
4. ownership realizes the failover method of cluster multi call more than according to claim 2 group, it is characterised in that described to visit
It is as follows to visit the route designing method for exchanging to and belonging to and exchanging:
Switching centre is initiated to receive group attachment or when group is called for asking, judge whether phone group belongs to current exchange, if do not belonged to,
Illustrate oneself to be visit exchange role, needs to route requests to some ownership exchange；A destination Mobile Station International ISDN Number routing table is designed, is visitd
It visits exchange and next-hop is looked for according to the number inquiry destination Mobile Station International ISDN Number routing table of phone group, next-hop specifies specific link；It is each
Switching centre is located in the same multicast domain, sends hello packet by the period, finds neighbours, and establish point between any two
To a link；The same group number can be matched to a unique record by maximum match principle in destination Mobile Station International ISDN Number routing table,
The record indicates the link for reaching next-hop.
5. ownership realizes the failover method of cluster multi call more than according to claim 4 group, it is characterised in that the chain
Road is divided into active link and reserve link, and active link preferentially uses, and only when active link failure, just uses spare chain
Road, active link and reserve link can respectively match both links, this both links all can with when use in turn.
6. ownership realizes the failover method of cluster multi call more than according to claim 2 group, it is characterised in that described group
Multidate information synchronous method is as follows:
The multidate information of phone group is primarily referred to as currently having which hand platform has been attached to this group and which these hand platforms are distributed in
Which base station of a little switching centres, the multidate information of phone group changes with the group attachment/detachment process for setting about platform, each
Apparently, other these switching centres constitute the visit exchange list of phone group, the visit of phone group for a group of ownership switching centre
Switching centre's list is the important component of phone group's multidate information, and the visit switching centre list of phone group is changed for being crossed over
The paging of group-calling service, the visit switching centre list that each group of ownership switching centre perceives oneself maintenance need when changing
Other are notified to belong to switching centre.
7. ownership realizes the failover method of cluster multi call more than according to claim 2 group, it is characterised in that described group
The paging method exhaled is as follows:
After the selected control exchange of routing policy, i.e. some group ownership exchange, the paging exhaled by control exchange initiation group；Group is exhaled
Paging be divided into two-stage, the first order is that the network paging for participating in exchange is exchanged to from control, and the second level is from exchanging to base station
It eats dishes without rice or wine to page.
8. ownership realizes the failover method of cluster multi call more than according to claim 2 group, it is characterised in that the punching
The prominent and access method that lags is as follows:
Two hand platforms never initiate calling with ownership exchange simultaneously
Such case can trigger " contention control exchange ", it may appear that two control exchanges need to compare MSC-ID at this time, big works as
Make control exchange, if local MSC-ID is big, ignore this message, that is, continues to exchange as control, if local MSC-ID is small, recognize
It is exchanged for other side as control, itself switches to P role；
Lag entrance: how later participation exchanges by the entrance that lags
Group is exhaled when establishing, some is exchanged, and no hand platform is attached to group or the exchange at that time is not online, has hand platform to be attached to later
Group；In group attachment flow, the update of VMSC list can be synchronous in the whole network, and the current group of control exchange energy exhaled perceive VMSC immediately
The variation of list, lag next time enter when, this VMSC can be drawn in and be exhaled into group, can also initiate immediately at this moment it is primary late
After enter；
Lag entrance: after the ownership got up how exchange by the entrance that lags
Group is exhaled when establishing, some ownership exchanges not online but current C and possesses complete GHMSC list, so in the entrance that lags
When operation, the ownership got up after giving exchange hair group exhales paging, after the ownership exchange got up as the role's entrance for participating in exchanging
Group is exhaled.
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Cited By (1)
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| CN114020363A (en) * | 2021-11-15 | 2022-02-08 | 海能达通信股份有限公司 | Group attachment method and corresponding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114020363A (en) * | 2021-11-15 | 2022-02-08 | 海能达通信股份有限公司 | Group attachment method and corresponding device |
| CN114020363B (en) * | 2021-11-15 | 2023-12-15 | 海能达通信股份有限公司 | Group attachment method and corresponding equipment |
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